A leatherback sea turtle has a velocity of 165.5 m/min North. If it swims for 19 seconds, what is its displacement?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?